Cool tide website!
Many of us typically use saltwatertides.com because it lets you pick the specific station closest to your point of interest. For example, for Ft. Pickens I select "Pensacola Bay Entrance". Tide predictions are just that- - -predictions- - - and 'Pickens is notorious for turning an hour or more early. Here's how I typically dive 'Pickens: If high tide is predicted for 11:00am, I try to arrive at the park around 8:00 or so if I'm planning for two average hour-long dives. I almost always discover somewhat better conditions on the first dive when compared to the second. A good day at 'Pickens will give you around 20-25' of viz will little to light current. A rare excellent day may yield 40'.
'Pickens is often diveable in between high and low, but it's not uncommon for viz to be reduced to 8-10' and for the current to be significantly stronger than that before high tide. I highly suggest wearing gloves at this site. If the current kicks up, it's easy to hang on to the rocks to prevent fatigue from swimming against the current. Diving at or around low tide can be OK, too. You'll have less current, although the viz is usually a bit less: think 10-15'.
September 1-2 looks to be neap tide. There should be less tidal change and therefore less current in-between. Viz may be around 20' most of the day, if we're lucky. I'd dive it and bring my camera!
Regarding Perdido Pass i.e. (Alabama Point)
The pass is much less forgiving than 'Pickens. The walk is longer, and the entry involves crawling over jetty rocks in full gear. Due to the rocky surf entry, you really want pretty calm surface conditions. Additionally, the narrowest point of the pass is much more narrow than the entrance to Pensacola Bay. Look at a satellite image and you'll see what I mean. Because of the way the sea wall directs incoming tidal flow under the bridge, there can be significant current past a certain point even when diving promptly at 'high tide'. For the same reasons, it's best to hit the Pass no more than an Hour before high tide and to be very aware of how the current changes as you progress through the dive.
To get a tidal prediction for Perdido Pass, look up the Dauphin Island tide prediction on Saltwatertides.com and add 17 minutes. For the 'pass: If high tide is at 8:00am, I'm looking at the conditions from the seawall about an hour and a half early. If it looks ok, we'll splash around 7.
Hope this helps!!!
Carl